16526620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1747}}^1$

素因数の和:1810

約数の個数: 48

約数和(自身を含む): 38763648

約数和(自身を除く): 22237028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1747, 1892, 2365, 3494, 4730, 6988, 8735, 9460, 17470, 19217, 34940, 38434, 75121, 76868, 96085, 150242, 192170, 300484, 375605, 384340, 751210, 826331, 1502420, 1652662, 3305324, 4131655, 8263310, 16526620]

約数ペア:

[(1, 16526620), (2, 8263310), (4, 4131655), (5, 3305324), (10, 1652662), (11, 1502420), (20, 826331), (22, 751210), (43, 384340), (44, 375605), (55, 300484), (86, 192170), (110, 150242), (172, 96085), (215, 76868), (220, 75121), (430, 38434), (473, 34940), (860, 19217), (946, 17470), (1747, 9460), (1892, 8735), (2365, 6988), (3494, 4730)]